{"id":24372,"date":"2023-11-03T09:00:11","date_gmt":"2023-11-03T01:00:11","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=24372"},"modified":"2024-09-20T15:45:53","modified_gmt":"2024-09-20T07:45:53","slug":"%e3%80%90%e7%ac%ac7%e9%9b%86%e3%80%91%e4%bb%bb%e9%87%8d%e9%81%93%e8%bf%9c%ef%bc%81%e4%b8%80%e6%bf%91%e5%92%8c%e5%b0%8f%e4%bc%99%e4%bc%b4%e4%bb%ac%e7%9a%84%e7%94%b5%e6%9c%ba%e9%a9%b1%e5%8a%a8%e5%99%a8","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/category\/tech-info\/sugiken\/vol007-1","title":{"rendered":"\u3010\u7b2c7\u96c6\u3011\u4efb\u91cd\u9053\u8fdc\uff01\u4e00\u6fd1\u548c\u5c0f\u4f19\u4f34\u4eec\u7684\u7535\u673a\u9a71\u52a8\u5668\u8bfe\u5802"},"content":{"rendered":"<div class=\"wysiwyg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-24376 size-full\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_01.jpg\" alt=\"img_vol7-1_01\" width=\"1268\" height=\"1794\" \/><img 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href=\"https:\/\/techclass.wfjydl.com\/knowledge\/category\/tech-info\/sugiken\/vol006-2#001\">S-T\u7279\u6027<\/a>\u7684\u6587\u7ae0\u4e2d\u63d0\u5230\u7684\u8f93\u51fa\u8f6c\u77e9\uff0c\u662f\u6307\u7535\u673a\u5728\u4f7f\u8d1f\u8f7d\u4f53\u65cb\u8f6c\u65f6\u6240\u9700\u7684\u201c\u5e73\u5747\u8f6c\u77e9\u201d\u3002\u53e6\u4e00\u79cd\u662f\u4e0b\u5217\u516c\u5f0f\u4e2d\u51fa\u73b0\u7684\u8f93\u51fa\u8f6c\u77e9\uff0c\u5373\u201c\u77ac\u65f6\u8f6c\u77e9\u201d\u3002\u201c\u5e73\u5747\u8f6c\u77e9\u201d\u901a\u5e38\u5728\u63a2\u8ba8\u7535\u673a\u53ef\u4ee5\u65cb\u8f6c\u7684\u8d1f\u8f7d\u8303\u56f4\u548c\u7535\u673a\u6548\u7387\u65f6\u4f7f\u7528\u3002\u201c\u77ac\u65f6\u8f6c\u77e9\u201d\u662f\u5728\u63a2\u8ba8\u7535\u673a\u7684\u632f\u52a8\u548c\u566a\u58f0\u65f6\u9700\u8981\u8003\u8651\u7684\u6982\u5ff5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24381 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_05.png\" alt=\"img_vol7-1_05\" width=\"507\" height=\"218\" 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loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24382 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_06.png\" alt=\"img_vol7-1_06\" width=\"565\" height=\"421\" 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id=\"002\">\u65e0\u5237\u7535\u673a\uff1a\u4ec0\u4e48\u662f\u6b63\u5f26\u6ce2\u9a71\u52a8\uff08\u6b63\u5f26\u6ce2\u6fc0\u52b1\uff09\uff1f<\/h2>\n<div class=\"wysiwyg\">\n<p>\u4e3a\u4e86\u4fbf\u4e8e\u5927\u5bb6\u4e86\u89e3\u8f6c\u77e9\u8109\u52a8\u5c0f\u7684\u9a71\u52a8\u65b9\u5f0f\uff0c\u6211\u4eec\u4f7f\u7528\u4e0b\u56fe\u518d\u6b21\u8bb2\u89e3\u4e00\u4e0b\u8f6c\u77e9\u8109\u52a8\u7684\u53d1\u751f\u539f\u7406\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24383 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_07.png\" alt=\"img_vol7-1_07\" width=\"464\" height=\"275\" \/><\/p>\n<p>\u5728120\u5ea6\u9a71\u52a8\u7684\u60c5\u51b5\u4e0b\uff0c\u7ed5\u7ec4\u4ea7\u751f\u7684\u7535\u78c1\u4f53\u5408\u6210\u78c1\u573a\u4e0d\u4ec5\u5927\u5c0f\u6709\u8109\u52a8\uff0c\u5176\u89d2\u901f\u5ea6\u4e5f\u6709\u8109\u52a8\u3002\u4f8b\u5982\u5728\u56fe\u4e2d\u7684A\u533a\u57df\uff0c\u7ed5\u7ec4\u78c1\u573a\u53ea\u5728U\u76f8\u548cV\u76f8\u4ea7\u751f\uff0c\u6240\u4ee5\u89d2\u901f\u5ea6\u4e3a\u96f6\u3002\u7531\u4e8e\u7535\u6d41\u503c\u4f1a\u53d8\u5316\uff0c\u6240\u4ee5\u5927\u5c0f\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u5728B\u533a\u57df\uff0cV\u76f8\u78c1\u573a\u51cf\u5f31\uff0cW\u76f8\u78c1\u573a\u5f00\u59cb\u589e\u5f3a\u3002\u6b64\u65f6\uff0c\u78c1\u573a\u65cb\u8f6c\u901f\u5ea6\u5feb\uff0c\u78c1\u573a\u5f3a\u5ea6\u504f\u5f31\u3002\u5728C\u533a\u57df\u4e2d\uff0c\u89d2\u901f\u5ea6\u4ecd\u4e3a\u96f6\uff0c\u53ea\u6709\u5927\u5c0f\u53d1\u751f\u53d8\u5316\u3002\u7531\u4e8e\u7535\u78c1\u4f53\u7684\u78c1\u573a\u50cf\u8fd9\u6837\u5728\u901f\u5ea6\u548c\u5927\u5c0f\u4e0a\u5b58\u5728\u8109\u52a8\u5e76\u4e0d\u65ad\u53d8\u5316\uff0c\u6240\u4ee5\u603b\u8f6c\u77e9\u4e5f\u53d1\u751f\u8109\u52a8\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u600e\u6837\u624d\u80fd\u6291\u5236\u8fd9\u79cd\u8f6c\u77e9\u8109\u52a8\u5462\uff1f\u7b54\u6848\u662f\u53ea\u8981\u4fdd\u6301\u7535\u78c1\u4f53\u7684\u78c1\u573a\u5927\u5c0f\u6052\u5b9a\u548c\u89d2\u901f\u5ea6\u6052\u5b9a\u5373\u53ef\u3002\u53ea\u8981\u89d2\u901f\u5ea6\u6052\u5b9a\uff0c\u90a3\u4e48\u4e0e\u8f6c\u5b50\u4e4b\u95f4\u7684\u89d2\u5ea6\u5173\u7cfb\u4e5f\u662f\u6052\u5b9a\u7684\uff0csin\u03b8\u5c06\u662f\u6052\u5b9a\u503c\uff08\u5047\u8bbe\u8f6c\u5b50\u6052\u901f\u65cb\u8f6c\uff09\u3002\u8fd9\u6837\u7684\u78c1\u573a\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7ed5\u7ec4\u7535\u6d41\u4e3a\u6b63\u5f26\u6ce2\u6765\u5b9e\u73b0\u3002\u5f53\u89d2\u5ea6\u4e92\u5dee120\u5ea6\u7684\u6b63\u5f26\u7535\u6d41\u901a\u8fc7U\u3001V\u3001W\u4e09\u76f8\u7ebf\u5708\u65f6\uff0c\u7535\u78c1\u4f53\u7684\u5408\u6210\u78c1\u529b\u5c31\u4f1a\u53d8\u6210\u5927\u5c0f\u6052\u5b9a\u3001\u89d2\u901f\u5ea6\u6052\u5b9a\u7684\u65cb\u8f6c\u78c1\u573a\uff08\u53c2\u89c1\u4e0b\u56fe\uff09\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24384 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_08.png\" alt=\"img_vol7-1_08\" width=\"438\" height=\"267\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u8981\u4f7f\u7ed5\u7ec4\u7535\u6d41\u6210\u4e3a\u6b63\u5f26\u6ce2\uff0c\u65bd\u52a0\u7684\u7535\u538b\u4e5f\u9700\u8981\u662f\u6b63\u5f26\u6ce2\u72b6\u7684\u3002\u5728\u7535\u673a\u9a71\u52a8\u5668\u4e2d\uff0c\u8fd9\u79cd\u6b63\u5f26\u6ce2\u72b6\u7684\u7535\u538b\u662f\u901a\u8fc7PWM\u63a7\u5236\u6765\u5b9e\u73b0\u7684\u3002\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u201c<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/category\/tech-info\/sugiken\/vol005-1#001\">\u8109\u51b2\u72b6\u7684\u65bd\u52a0\u7535\u538b<\/a>\u201d\u4e2d\uff0c\u63d0\u5230\u201c\u4e3a\u4e86\u6539\u53d8\u65bd\u52a0\u7535\u538b\u7684\u5927\u5c0f\u201d\u800c\u5b9e\u65bd\u7684PWM\u63a7\u5236\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5728\u4e00\u4e2a\u901a\u7535\u5468\u671f\u5185\u6539\u53d8\u6bcf\u4e2a\u9884\u5b9a\u89d2\u5ea6\u7684Duty\u503c\u6765\u5f62\u6210\u6b63\u5f26\u6ce2\u72b6\u7535\u538b\u3002\u4f7f\u9a71\u52a8\u6ce2\u5f62\u5448\u6b63\u5f26\u6ce2\u72b6\u7684\u9a71\u52a8\u65b9\u5f0f\u79f0\u4e3a\u201c\u6b63\u5f26\u6ce2\u9a71\u52a8\uff08\u6b63\u5f26\u6ce2\u6fc0\u52b1\uff09\u201d\uff08\u540e\u7eed\u8fd9\u4e24\u79cd\u8bf4\u6cd5\u5c06\u6309\u7167\u540c\u4e49\u4f7f\u7528\uff0c\u4e0d\u505a\u7279\u522b\u533a\u5206\uff09\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"c-box-1\">\n<h4 class=\"c-box-1__ttl\">\u672c\u6587\u7684\u5173\u952e\u8981\u70b9<\/h4>\n<div class=\"c-box-1__content\">\n<p>\u30fb\u5728120\u5ea6\u9a71\u52a8\u65f6\uff0c\u7535\u78c1\u4f53\u7684\u78c1\u573a\u5728\u901f\u5ea6\u548c\u5927\u5c0f\u4e0a\u5747\u5b58\u5728\u8109\u52a8\u5e76\u4e0d\u65ad\u53d8\u5316\uff0c\u56e0\u6b64\u603b\u8f6c\u77e9\u4e5f\u4f1a\u53d1\u751f\u8109\u52a8\u3002<\/p>\n<p>\u30fb\u8981\u60f3\u6291\u5236\u8f6c\u77e9\u8109\u52a8\uff0c\u53ea\u8981\u4f7f\u7535\u78c1\u4f53\u78c1\u573a\u7684\u5927\u5c0f\u6052\u5b9a\u4e14\u89d2\u901f\u5ea6\u6052\u5b9a\u5373\u53ef\u3002<\/p>\n<p>\u30fb\u8fd9\u6837\u7684\u78c1\u573a\u53ef\u4ee5\u901a\u8fc7PWM\u63a7\u5236\u4f7f\u9a71\u52a8\u6ce2\u5f62\u4e3a\u6b63\u5f26\u6ce2\u72b6\u6765\u5b9e\u73b0\uff0c\u8fd9\u79cd\u9a71\u52a8\u65b9\u5f0f\u79f0\u4e3a\u201c\u6b63\u5f26\u6ce2\u9a71\u52a8\uff08\u6b63\u5f26\u6ce2\u6fc0\u52b1\uff09\u3002<\/p>\n<\/div>\n<\/div>\n<h2 id=\"003\">\u65e0\u5237\u7535\u673a\uff1a\u6b63\u5f26\u6ce2\u9a71\u52a8\u7684\u6ce2\u5f62<\/h2>\n<div class=\"wysiwyg\">\n<p>\u53ef\u4ee5\u901a\u8fc7PWM\u63a7\u5236\u6765\u65bd\u52a0\u6b63\u5f26\u6ce2\u72b6\u7684\u7535\u538b\u3002\u8fd9\u91cc\u7684PWM\u63a7\u5236\u4e0e120\u5ea6\u9a71\u52a8\u5b58\u5728\u4e0d\u540c\u4e4b\u5904\uff0c\u6211\u4eec\u901a\u8fc7\u4e0b\u56fe\u6765\u5177\u4f53\u4e86\u89e3\u4e00\u4e0b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24385 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_09.png\" alt=\"img_vol7-1_09\" width=\"537\" height=\"209\" \/><\/p>\n<p>\u5728120\u5ea6\u9a71\u52a8\u65f6\uff0cPWM\u8109\u51b2\u7684\u5bbd\u5ea6\u6839\u636e\u8981\u65bd\u52a0\u7684\u7535\u538b\u503c\u800c\u4fdd\u6301\u6052\u5b9a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6307\u4ee4\u5360\u7a7a\u6bd4\u4e3a60%\uff0c\u90a3\u4e48PWM\u8109\u51b2\u5728\u6574\u4e2a\u533a\u57df\u5185\u4e3a60%\u3002<\/p>\n<p>\u800c\u5728\u6b63\u5f26\u6ce2\u9a71\u52a8\u4e2d\uff0c\u4f1a\u53cd\u5e94\u4e0e\u7535\u89d2\u5ea6\u5bf9\u5e94\u7684\u6b63\u5f26\u6ce2\u503c\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u6b63\u5f26\u6ce2\u9a71\u52a8\u7684\u9a71\u52a8\u6ce2\u5f62\u6709\u591a\u79cd\uff08\u540e\u7eed\u4f1a\u4ecb\u7ecd\uff09\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u8bf7\u4f5c\u4e3a\u5176\u4e2d\u4e00\u4e2a\u793a\u4f8b\u6765\u7406\u89e3\u76f8\u5173\u5185\u5bb9\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6307\u4ee4\u5360\u7a7a\u6bd4\u4e3a60%\uff0c\u90a3\u4e48\u6b63\u5f26\u6ce2\u7684\u632f\u5e45\u5c06\u4e3a30%\u3002\u5728\u4e0a\u56fe\u4e2d\uff0c\u6ce2\u5f62\u662f\u6700\u5927\u5360\u7a7a\u6bd4\u4e3a80%\u3001\u6700\u5c0f\u5360\u7a7a\u6bd4\u4e3a20%\uff0c\u6700\u5927\u548c\u6700\u5c0f\u4e4b\u95f4\u7684\u5bbd\u5ea6\u4e3a60%\u3002\u5982\u679c\u4ece\u8fd9\u91cc\u51cf\u5c0f\u6307\u4ee4\u5360\u7a7a\u6bd4\u7684\u503c\uff0c\u90a3\u4e48\u793a\u610f\u56fe\u5c06\u5448\u73b0\u4e0a\u4e0b\u4e24\u8fb9\u7684\u5360\u7a7a\u6bd4\u90fd\u63a5\u8fd150%\u7684\u72b6\u6001\u3002\u7528\u516c\u5f0f\u8868\u793a\u4e3a\uff1aDuty\u6307\u4ee4\/2\u00d7sin\u03b8\uff0b50 [%]\u3002\u53e6\u5916\uff0c\u867d\u7136\u56fe\u4e2d\u672a\u663e\u793a\uff0c\u4f46\u8fd8\u4e00\u4e9b\u6ce2\u5f62\u662f\u901a\u8fc7\u4f7f\u6700\u5c0f\u5360\u7a7a\u6bd4\u6052\u5b9a\u4e3a0%\u800c\u521b\u5efa\u7684\u3002\u7528\u516c\u5f0f\u8868\u793a\u8fd9\u79cd\u60c5\u51b5\u7684\u8bdd\uff0c\u516c\u5f0f\u4e3a\uff1aDuty\u6307\u4ee4\/2\u00d7(sin\u03b8\uff0b1) [\uff05]\u3002<\/p>\n<p>\u5f53\u4f7f\u7528\u793a\u6ce2\u5668\u89c2\u6d4b\u65bd\u52a0\u8fd9\u6837\u7684PWM\u8109\u51b2\u540e\u7684\u7535\u4fe1\u53f7\u60c5\u51b5\u65f6\uff0c\u5c06\u80fd\u770b\u5230\u4e0b\u56fe\u6240\u793a\u7684\u6ce2\u5f62\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-24386\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_10.png\" alt=\"img_vol7-1_10\" width=\"586\" height=\"429\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u8be5\u6ce2\u5f62\u4e0e120\u5ea6\u9a71\u52a8\uff08\u53c2\u8003\uff1a\u201c<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/category\/tech-info\/sugiken\/vol004-1#002\">\u65e0\u5237\u7535\u673a\u9a71\u52a8\u7684\u5b9e\u9645\u4fe1\u53f7\u6ce2\u5f62<\/a>\u201d\u76f8\u6bd4\u5927\u6982\u6709\u4e24\u4e2a\u4e0d\u540c\u4e4b\u5904\u3002<\/p>\n<p>\u30fbUL\u4e5f\u662fPWM\u8109\u51b2\uff0c\u6ce2\u5f62\u770b\u8d77\u6765\u50cf\u662fUH\u7684\u53cd\u8f6c\u6ce2\u5f62\u3002<\/p>\n<p>\u30fb\u7535\u6e90\u7535\u6d41\u7684\u5cf0\u503c\u770b\u8d77\u6765\u50cf\u5c42\u53e0\u7684\u5c71\u5cf0\u3002\u653e\u5927\u540e\uff0c\u7535\u6e90\u7535\u6d41\u7684\u6ce2\u5f62\u5448\u51f9\u51f8\u72b6\u3002<\/p>\n<p>\u540e\u7eed\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u7684\u539f\u56e0\u3002<\/p>\n<p><strong>\u25a0&lt;\u201c\u5360\u7a7a\u6bd4\uff08Duty\uff09\u7684\u4e24\u79cd\u542b\u4e49\u201d&gt;<\/strong><br \/>\n\u5728\u672c\u7cfb\u5217\u6587\u7ae0\u4e2d\uff0c\u201c\u5360\u7a7a\u6bd4\uff08Duty\uff09\u201d\u8fd9\u4e2a\u672f\u8bed\u51fa\u73b0\u4e86\u5f88\u591a\u6b21\uff0c\u8be5\u672f\u8bed\u4e3b\u8981\u8868\u793a\u4e24\u79cd\u542b\u4e49\u3002\u4e00\u79cd\u662f\u4f5c\u4e3a\u4ece\u5916\u90e8\u8f93\u5165\u7684\u65bd\u52a0\u7535\u538b\u6307\u4ee4\u800c\u4f7f\u7528\u7684\u5360\u7a7a\u6bd4\uff08Duty\uff09\u3002\u8868\u793a\u8981\u65bd\u52a0\u7684\u7535\u538b\u5927\u5c0f\uff08\u4ece\u6700\u5927100%\u5230\u6700\u5c0f0%\uff09\u3002\u53e6\u4e00\u79cd\u662f\u6bcf\u4e2a\u5b9e\u9645PWM\u8109\u51b2\u7684\u5360\u7a7a\u6bd4\uff08Duty\uff09\u3002\u5728120\u5ea6\u9a71\u52a8\u65f6\uff0c\u8fd9\u4e2a\u201c\u5360\u7a7a\u6bd4\uff08Duty\uff09\u201d\u7684\u542b\u4e49\u57fa\u672c\u76f8\u540c\uff0c\u4f46\u5728\u6b63\u5f26\u6ce2\u9a71\u52a8\u65f6\u5219\u542b\u4e49\u4e0d\u540c\uff0c\u5176\u5177\u4f53\u542b\u4e49\u4f1a\u56e0\u4f7f\u7528\u73af\u5883\u800c\u5f02\uff0c\u8fd9\u4e00\u70b9\u9700\u8981\u4e86\u89e3\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"c-box-1\">\n<h4 class=\"c-box-1__ttl\">\u672c\u6587\u7684\u5173\u952e\u8981\u70b9<\/h4>\n<div class=\"c-box-1__content\">\n<p>\u30fb\u53ef\u4ee5\u901a\u8fc7PWM\u63a7\u5236\u6765\u65bd\u52a0\u6b63\u5f26\u6ce2\u72b6\u7684\u7535\u538b\uff0c\u4f46\u8be5PWM\u63a7\u5236\u4e0e120\u5ea6\u9a71\u52a8\u65f6\u7684PWM\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u30fb120\u5ea6\u9a71\u52a8\u65f6\uff0cPWM\u8109\u51b2\u7684\u5bbd\u5ea6\u4f1a\u6839\u636e\u6240\u65bd\u52a0\u7684\u7535\u538b\u503c\u800c\u4fdd\u6301\u6052\u5b9a\u3002<\/p>\n<p>\u30fb\u800c\u6b63\u5f26\u6ce2\u9a71\u52a8\u5219\u4f1a\u53cd\u6620\u4e0e\u7535\u89d2\u5ea6\u5bf9\u5e94\u7684\u6b63\u5f26\u6ce2\u503c\u3002<\/p>\n<\/div>\n<\/div>\n<h2 id=\"004\">\u65e0\u5237\u7535\u673a\uff1a\u540c\u6b65\u6574\u6d41\uff08\u9ad8\u4f4e\u8fb9PWM\uff09<\/h2>\n<div class=\"wysiwyg\">\n<p>\u6b63\u5982\u4e4b\u524d\u63d0\u5230\u7684\u201cUL\u770b\u8d77\u6765\u50cf\u662fUH\u7684PWM\u8109\u51b2\u53cd\u8f6c\u201d\uff0c\u5728\u7535\u673a\u9a71\u52a8\u5668\u4e2d\uff0c\u9488\u5bf9\u9ad8\u8fb9\u6676\u4f53\u7ba1\u7684\u6805\u6781\u4fe1\u53f7Hi\/Lo\uff08ON\/OFF\uff09\uff0c\u6709\u65f6\u5019\u9700\u8981\u4f7f\u4f4e\u8fb9\u6676\u4f53\u7ba1\u7684\u4fe1\u53f7\u6210\u4e3a\u4e92\u8865\u7684Hi\u6216Lo\u3002\u8fd9\u662f\u4f7f\u7ed5\u7ec4\u5f15\u811a\u7684\u7535\u4f4d\u4fdd\u6301Hi\u6216Lo\u4e0d\u53d8\u7684\u91cd\u8981\u64cd\u4f5c\u3002<\/p>\n<p>\u5173\u4e8e\u7ed5\u7ec4\u5f15\u811a\u7684\u7535\u4f4d\u6052\u5b9a\uff0c\u5728\u4ecb\u7ecd120\u5ea6\u9a71\u52a8\u65f6\u7565\u6709\u6d89\u53ca\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u51fa\u4e8e\u7a0d\u540e\u5c06\u63d0\u5230\u7684\u539f\u56e0\uff0c\u5728120\u5ea6\u9a71\u52a8\u4e2d\uff0c\u5f88\u5c11\u8fdb\u884c\u8fd9\u79cd\u4e92\u8865PWM\u8109\u51b2\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u5728\u6b63\u5f26\u6ce2\u9a71\u52a8\u65f6\uff0c\u201c\u7ed5\u7ec4\u5f15\u811a\u7535\u538b\u8981\u7b26\u5408\u63a7\u5236\u5668\u7684\u9884\u671f\uff08=\u6052\u7535\u4f4d\uff09\u201d\u8fd9\u4e00\u70b9\u66f4\u91cd\u8981\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u4e92\u8865\u64cd\u4f5c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24387 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_11.png\" alt=\"img_vol7-1_11\" width=\"500\" height=\"107\" \/><\/p>\n<p>\u4e3a\u4e86\u8bf4\u660e\u4e92\u8865PWM\u7684\u6548\u679c\uff0c\u6211\u4eec\u5148\u7528\u4e0b\u56fe\uff08\u5355\u8fb9PWM\uff09\u6765\u4ecb\u7ecd\u8bd5\u56fe\u901a\u8fc7\u9ad8\u8fb9\u6676\u4f53\u7ba1\u7684ON\/OFF\uff08\u800c\u4e0d\u662f\u4e92\u8865\uff09\u6765\u8c03\u6574\u7ed5\u7ec4\u5f15\u811a\u7535\u538b\u65f6\u7684\u60c5\u51b5\u3002\u5982\u56fe\u5de6\u4fa7\u6240\u793a\uff0c\u5f53\u9ad8\u8fb9\u6676\u4f53\u7ba1\u5904\u4e8e\u5bfc\u901a\u72b6\u6001\u65f6\uff0c\u7ed5\u7ec4\u5f15\u811a\u7535\u538b\u53d8\u4e3aHi\u3002\u8981\u6ce8\u610f\u6b64\u65f6\u7684\u7ed5\u7ec4\u7535\u6d41\u65b9\u5411\u3002\u5982\u524d\u6240\u8ff0\uff0c\u5728\u6b63\u5f26\u6ce2\u9a71\u52a8\u4e2d\uff0c\u7ed5\u7ec4\u7535\u6d41\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\u65e2\u53ef\u80fd\u662f\u6b63\u7684\u4e5f\u53ef\u80fd\u662f\u8d1f\u7684\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24388 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_12.png\" alt=\"img_vol7-1_12\" width=\"507\" height=\"225\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u5728\u8fd9\u91cc\u6211\u4eec\u5047\u8bbe\u9ad8\u8fb9\u6676\u4f53\u7ba1\u5904\u4e8e\u5173\u65ad\u72b6\u6001\u3002\u6b64\u65f6\uff0c\u53ea\u8981\u7ed5\u7ec4\u7535\u6d41\u4e3a\u6b63\u5411\uff0c\u7ed5\u7ec4\u5f15\u811a\u7535\u538b\u5c31\u4f1a\u901a\u8fc7\u4f4e\u8fb9\u4e8c\u6781\u7ba1\u53d8\u4e3aLo\uff0c\u56e0\u6b64\u7535\u4f4d\u7b26\u5408\u9884\u671f\u3002\u4f46\u662f\uff0c\u5982\u679c\u7535\u6d41\u4e3a\u8d1f\u5411\uff0c\u5219\u7ed5\u7ec4\u5f15\u811a\u7535\u538b\u4ecd\u7136\u4e3aHi\uff0c\u5bfc\u81f4\u4e0e\u63a7\u5236\u5668\u8f93\u51fa\u7684PWM\u8109\u5bbd\uff08\u5360\u7a7a\u6bd4\u7684\u503c\uff09\u4e0d\u4e00\u81f4\u3002\u8fd9\u610f\u5473\u7740\u6b63\u5f26\u6ce2\u9a71\u52a8\u65f6\u4f1a\u4ea7\u751f\u6b63\u5f26\u6ce2\u5f62\u7d0a\u4e71\u7684\u60c5\u51b5\u3002<\/p>\n<p><span style=\"font-size: 14px;\">\u8981\u6d88\u9664\u9020\u6210\u6b64\u7c7b\u6ce2\u5f62\u7d0a\u4e71\u7684\u56e0\u7d20\uff0c\u5c31\u9700\u8981\u8fdb\u884c\u4e92\u8865PWM\u64cd\u4f5c\u3002\u5982\u4e0b\u56fe\uff08\u540c\u6b65\u6574\u6d41\uff09\u6240\u793a\uff0c\u53ea\u8981\u5728\u9ad8\u8fb9\u6676\u4f53\u7ba1\u5173\u65ad\u7684\u72b6\u6001\u4e0b\u4f7f\u4f4e\u8fb9\u6676\u4f53\u7ba1\u5bfc\u901a\uff0c\u90a3\u4e48\u65e0\u8bba\u7535\u6d41\u7684\u6d41\u5411\u5982\u4f55\uff0c\u7ed5\u7ec4\u5f15\u811a\u90fd\u4e3aLo\u3002\u8fd9\u6837\uff0c\u901a\u8fc7\u4e92\u8865PWM\u64cd\u4f5c\uff0c\u53ef\u4ee5\u65bd\u52a0\u63a7\u5236\u5668\u9884\u671f\u7684\u7535\u538b\uff0c\u6bd4\u5982\u5e0c\u671b\u7ed5\u7ec4\u5f15\u811a\u7535\u538b\u4e3aHi\u65f6\u5c31\u4e3aHi\uff0c\u5e0c\u671b\u4e3aLo\u65f6\u5c31\u4e3aLo\u3002\u8fd9\u79cdPWM\u8109\u51b2\u63a7\u5236\u65b9\u5f0f\u79f0\u4e3a\u201c\u540c\u6b65\u6574\u6d41\u201d\u3001\u201c\u4e92\u8865PWM\u201d\u3001\u201c\u9ad8\u4f4e\u8fb9PWM\u201d\u7b49\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24389 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_13.png\" alt=\"img_vol7-1_13\" width=\"501\" height=\"209\" \/><\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u867d\u7136\u6211\u4eec\u5728\u8fd9\u91cc\u4e0d\u4f1a\u8be6\u7ec6\u8bb2\u89e3\uff0c\u4f46\u662f\u5728\u5c06PWM\u8109\u51b2\u4f5c\u4e3a\u540c\u6b65\u6574\u6d41\u65b9\u5f0f\u6765\u4fdd\u6301\u7ed5\u7ec4\u5f15\u811a\u7535\u4f4d\u6052\u5b9a\u65f6\uff0c\u4e5f\u6709\u5f0a\u7aef\uff08*\uff09\u3002120\u5ea6\u9a71\u52a8\u65f6\uff0c\u9ad8\u8fb9\u6676\u4f53\u7ba1\u5bfc\u901a\u65f6\u7684\u7535\u6d41\u65b9\u5411\u4e3a\u6b63\uff0c\u56e0\u6b64\u57fa\u672c\u53ef\u4ee5\u65bd\u52a0\u9884\u671f\u7684\u7535\u538b\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6743\u8861\u5176\u5f0a\u7aef\u540e\u53ef\u80fd\u4f7f\u7528\u5355\u8fb9PWM\u7684\u65b9\u5f0f\u66f4\u597d\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u5bf9\u4e8e\u63a7\u5236\u5f00\u53d1\u800c\u8a00\uff0c\u9009\u62e9\u9002\u5408\u76ee\u7684\u548c\u7528\u9014\u7684PWM\u65b9\u5f0f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\uff08*\u518d\u751f\u7535\u6d41\u7684\u5f71\u54cd\u3001\u5236\u52a8\u73b0\u8c61\u7b49\uff09<\/p>\n<p>\u53e6\u5916\uff0c\u5b9e\u9645\u7684\u6805\u6781\u4fe1\u53f7\u5e76\u4e0d\u5b8c\u5168\u4e92\u8865\uff0c\u5728Hi\u548cLo\u5207\u6362\u7684\u65f6\u95f4\u70b9\uff0c\u5b58\u5728\u9ad8\u8fb9\u548c\u4f4e\u8fb9\u6805\u6781\u4fe1\u53f7\u5747\u4e3aLo\u7684\u90e8\u5206\u3002\u8fd9\u4e2aLo\u7684\u65f6\u95f4\u79f0\u4e3a\u201c\u6b7b\u533a\u65f6\u95f4\u201d\u3002\u8fd9\u662f\u4e3a\u4e86\u907f\u514d\u9ad8\u4f4e\u8fb9\u6676\u4f53\u7ba1\u540c\u65f6\u5904\u4e8e\u5bfc\u901a\u72b6\u6001\u65f6\u5f15\u53d1\u7684\u76f4\u901a\u7535\u6d41\u95ee\u9898\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24390 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/11\/img_vol7-1_14.png\" alt=\"img_vol7-1_14\" width=\"557\" height=\"130\" \/><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"c-box-1\">\n<h4 class=\"c-box-1__ttl\">\u672c\u6587\u7684\u5173\u952e\u8981\u70b9<\/h4>\n<div 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